Every month, the great black dragon comes. Every month, a child is snatched. That's all the village of Kalma knows. Semra is one of those children, and she knows the truth: there is a dragonlord in the mountain, raising the children into his personal syndicate of assassins. When seventeen-year-old Semra learns they aren't fighting evil but are in fact evil themselves, she risks everything to expose the dragonlord.

Thirteen-year-old Sik wants a simple life going to school and helping at his parents' deli in the evenings. But all that is blown to smithereens when Nergal comes looking for him, thinking that Sik holds the secret to eternal life. Turns out Sik is immortal but doesn't know it, and that's about to get him and the entire city into deep, deep trouble.

Sloan Amari has spent years in the shadow of her older brother Henry, heir apparent to their family’s company, Amari Global. Determined to show she’s been the right choice all along, she’s become a powerful corporate attorney and is on track to make history as the firm’s youngest senior partner. Now, the role of CEO at Amari Global may be within her grasp and Sloan’s eyes are on the prize.

Twins Willow and Jake Grimm are not prepared for the bizarre gadgets and scary changes in their new home of New Marburg, the location of the top-secret Think Tank where their parents now have jobs as scientists. In this town, people jetpack to work, robots direct traffic, and senior citizens duel with laser swords. Yet nothing compares to what happens the day after lightning strikes the twins’ house. Their school building transforms around them, becoming a medieval castle—complete with moat, drawbridge, and a dangerous giant who looks strangely like the school’s overly aggressive hall monitor.

As sole heir to the House of Raven, there is nothing Emelia can’t have. The only problem is, she doesn’t want it. But when a new guard enters her closed-off existence, she sees a way out. As rebellion and dark forces swirl around her, Emelia has a choice to make – leave everyone she loves behind, or stay and accept her destiny…